B28B 3/2627
Using means for making hollow objects with transverse walls
Official title: {using means for making hollow objects with transverse walls, e.g. hollow objects closed on all sides}
B28B3/2627 (Using means for making hollow objects with transverse walls) appears on 8 US grants and 4 published applications in this corpus.
Search patents in B28B- Granted patents
- 8
- Published applications
- 4
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Honeycomb filter plugging and apparatus for honeycomb filter plugging9 Mar 2021US 10,940,420 B2Corning Incorporated
- Method and apparatus for casting prefabricated concrete products1 Sep 2020US 10,759,086 B2Elematic Oyj
- Process for making closed-end ceramic tubes6 May 2003US 6,558,597 B1Praxair Technology, Inc.
- Fuel cell tubes and method of making same30 Nov 1999US 5,993,985 ASiemens Westinghouse Power Corporation
- Process for the preparation of thick-walled ceramic products15 Jun 1999US 5,911,941 ANucon Systems
- Extruder Device, Extruder System, and Use of an Extruder Device and/or of an Extruder System9 Jun 2022US 2022/0178157 A1Putzmeister Engineering GmbH
- Honeycomb filter plugging and apparatus for honeycomb filter plugging31 May 2018US 2018/0147521 A1Corning Incorporated
- Method and apparatus for casting prefabricated concrete products17 May 2018US 2018/0133923 A1Elematic Oyj
- Mold for Ceramic Membrane Tube and Fabrication Method of Ceramic Membrane Tube Using the Same10 Jul 2008US 2008/0164641 A1
Most cited
By later US patents
- Fuel cell tubes and method of making same32US 5,993,985 ASiemens Westinghouse Power Corporation · 1999
- Process for the preparation of thick-walled ceramic products24US 5,911,941 ANucon Systems · 1999
- Method and device for the production of an oxide ceramic tube3US 4,256,686 AW. Haldenwanger KG · 1981
- Process for making closed-end ceramic tubes1US 6,558,597 B1Praxair Technology, Inc. · 2003